Job Description

Roles and Responsibilities Setting up different type of rules based on Volume, content and bad URL etc. Proactive tracking of rules performance identifying issues, irregularities and false positives. Updating IR21 operators database. Countries, Operator, HUB, GT ,IMSI and MSISDN lists modification. Identify, gather and analyse SMS firewall transactional and reference data via specific tools. Manage and manipulate large and complex SMS related datasets to generate regular and ad-hoc reports to support business teams in their decision-making process. Analyse and extract key insights from SMS firewall data to inform business decisions. Monitor and report daily and weekly SMS firewall traffic data KPIs. Update and modify system reference data such as operators database and numbering plans. Detect and analyse messaging fraud, report root cause and suggest anti-fraud solutions. Create or modify SMS firewall rules that generate alarms for detecting potential fraud. Explore new detection methods or system improvements and adjust the firewalls accordingly. Liaise with Technology, Carrier and other teams about network traffic and system details. Skills & Experience Good communication skills in English, both oral and in writing. Analytical and attentive to details, with data-driven mindset. Proactive and self-motivated. Advanced Excel, working knowledge of Pivot Tables and Lookups is essential. Telecom experience,Basic knowledge of SMS traffic flows and numbering plans. Understanding of SS7 MAP with ability to read and analyse protocol logs is a plus. Understanding of telecom messaging network fraud scenarios. Knowledge and experience in configuring rule-based fraud systems; experience with Mobileum firewall is an advantage.